Require julia 0.7

Merge pull request #50 from JuliaArrays/teh/v0.7

Require julia 0.7-beta

OffsetArray's axes are also offset arrays

This release brings Julia v0.7 compatibility and changes a major aspect of their representation when running on Julia v0.7: the axes of an OffsetArray are now offset themselves such that ax[i] == i. This frequently makes their behavior more similar with 1-based arrays; for example A[axes(A)...] == A now with Julia 0.7.

For more details on this change, see: JuliaLang/julia#27038.

Lots of 0.7 fixes

Merge pull request #40 from fredrikekre/fe/uninitialized

use uninitialized in OffsetArray constructors

`showarg` and 0.7 inference fix

Merge pull request #32 from JuliaArrays/teh/showarg

Inference improvements on 0.7 and improvements in `show`

Fix array + scalar deprecations

Merge pull request #31 from JuliaArrays/teh/arithdep

Fix ::array + ::Number, for loop, and Val depwarns on 0.7

Fix deprecations

Merge pull request #30 from JuliaArrays/fbot/deps

Fix deprecations